Cell phone Intervention Trail for Young Adults (CITY)

描述（由申请人提供）：在中年人中进行的复合试验表明，体重减轻可以通过长期频繁接触、频繁自我监测、社会支持和动机咨询来实现和维持。然而，目前还不清楚这种策略是否适用于年轻人。基于生命阶段，文化背景，环境条件和市场压力，行为干预可能需要进行实质性的修改，才能在年轻人中有效。要使干预措施在种族/族裔少数群体的年轻人中有效，还需要进行更多的调整。拟议的干预措施建立在先前的证据基础上，旨在提高年轻人的有效性。使用手机在这个年龄段提供体重控制干预有可能是参与，愉快的，实用的，具有成本效益的，可持续的，广泛传播的。我们提出了一项试验，其中一个高度创新的，但更危险的干预几乎完全基于使用手机技术和第二个增量创新的传统行为干预相比，每一个通常的护理控制组。我们将招募不同的超重/肥胖目标人群，通常是健康的年轻人，包括约35%的非拉丁美洲白人，35%的非拉丁美洲黑人和30%的拉丁美洲人，随机分配到：1）饮食护理对照：教育材料和信息，但没有行为干预; 2）手机干预：与对照组类似的教育和知识，但此后将几乎完全通过手机提供行为干预，特别是使用该技术的自我监测和社交网络功能; 3）手机加强个人接触：通过手机加强个人接触干预，进行自我监控。随机化后干预期将持续24个月。主要结局是随机分组后12个月的体重变化;重要的次要结局是24个月时的体重变化。形成阶段将主要侧重于技术/干预措施的发展。 相关性（参见说明）：肥胖流行正在影响年轻人，导致糖尿病、高血压和心血管疾病的风险增加。基于生命阶段，文化背景，环境条件和市场压力，行为干预可能需要进行实质性的修改，以有效地在年轻人，尤其是年轻的少数民族。使用手机来提供体重控制干预有可能是迷人的，愉快的，实用的，成本效益，（摘要结束）

DESCRIPTION (provided by applicant): Composite Trials in middle aged adults indicate that weight loss can be achieved and sustained with frequent contact over a long period of time, frequent self-monitoring, social support and motivational counseling. However, it is unclear whether this strategy would work in younger adults. Based on life stage, cultural context, environmental circumstances, and marketing pressures, behavioral Intervention may need to be substantially modified to be effective in young adults. Even more adaptation will be required for intervention to be effective in young adults from racial/ethnic minority groups. The proposed intervention builds on prior evidence with innovations directed at increasing effectiveness in young adults. Using cell phones to deliver a weight control intervention in this age group has the potential to be engaging, enjoyable, practical, cost-effective, sustainable, and broadly disseminated. We propose a trial in which a highly innovative but more risky intervention based almost entirely on use of cell phone technology and a second more incremental innovation over traditional behavioral intervention are each compared to a usual care control group. We will recruit a diverse target population of ovenweight/obese, generally healthy young adults, comprising approximately 35% non-Latino Whites, 35% non-Latino Blacks, and 30% Latinos, to be randomized to: 1) Usual care control: Educational materials and information but no behavioral intervention; 2) Cell-phone intervention: similar education and knowledge as the control group, but thereafter a behavioral intervention will be delivered almost exclusively via cell phone, particularly using the self-monitoring and social networking features of this technology; 3) Personal contact with cell-phone enhancement: personal contact intervention enhanced by cell-phone for self-monitoring. The post-randomization intervention period will last 24 months. The primary outcome is change in weight 12 months post-randomization; an important secondary outcome is weight change at 24 months. The formative phase will focus largely on technology/intervention development. RELEVANCE (See instructions): The obesity epidemic is affecting young adults, leading to increased risk of diabetes, high blood pressure, and cardiovascular disease. Based on life stage, cultural context, environmental circumstances, and marketing pressures, behavioral intervention may need to be substantially modified to be effective in young adults, espcially young minorities. Using cell phones to deliver a weight control intervention has the potential to be engaging, enjoyable, practical, cost-effective, (End of Abstract)